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Gravitation and Sound Questions with Answers
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Gravitation and Sound Questions with Answers
Quiz
Question 1. The negative gravitational potential energy means
Object is bounded to the system
Object is not bounded to the system
Negative gravitational potential energy is not possible
None of the above
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Question 2. The weight of an object will be minimum when it is placed
at the North Pole
at the South Pole
at the Center of the Earth
one of the above
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Question 3. Geostationary orbit is at a height of approx. ___________
36,000 km
1000 km
3600 km
36 km
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Question 4. What is the value of acceleration due to gravity on the surface of the Earth?
8.9 m/s²
9.8 m/s²
10.8 m/s²
7.8 m/s²
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Question 5. Who gave the universal law of gravitation?
Albert Einstein
Galileo Galilei
Sir Isaac Newton
Johannes Kepler
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Question 6. The force of gravity between two objects is:
Directly proportional to the square of the distance
Inversely proportional to the product of masses
Inversely proportional to the square of the distance
Not affected by distance
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Question 7. Which instrument is used to measure the frequency of sound?
Thermometer
Tuning Fork
Barometer
Hygrometer
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Question 8. Sound cannot travel through:
Solid
Liquid
Gas
Vacuum
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Question 9. The time taken by a pendulum to complete one oscillation is called:
Velocity
Frequency
Time Period
Acceleration
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Question 10. Which of the following is not a characteristic of sound?
Loudness
Pitch
Brightness
Quality
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